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博客园 - 戴玮

关于状态模式的思考 实在是忍受不了MSN的巨慢速度,重新换个地方 如果在网页中实现查找功能 asp.net2.0 页面生命周期方法 C#加密与解决 如何自定义一个模板列,并在后台加载 ASP.NET常用的代码集合 - 戴玮 - 博客园 ADO.NET2.0分页 - 戴玮 - 博客园 如何查找 Office Web 组件 (OWC) 编程文档和示例 如何将枚举定义翻译成DataTable 网页中调用MSN添加好友工具 如何在XP SP2下面使用DTC Javascript 复制与粘贴 - 戴玮 - 博客园 如何在Component中取得Page对象 使用TransactionScope进行COM+事务处理 - 戴玮 - 博客园 如何在C#中使用EVAL方法 - 戴玮 - 博客园 巨NB的JAVASCRIPT代码 - 戴玮 - 博客园 9月25日C#->WebService中如何传递文件 解决了一年多的问题,狂喜(一年之前)
触发器示例代码
戴玮 · 2006-11-15 · via 博客园 - 戴玮

SET QUOTED_IDENTIFIER ON
GO
SET ANSI_NULLS ON
GO

ALTER       trigger SalesOrderD_T_Checking on dbo.SalesOrderD
for insert , update
as
declare @a int

if exists(select * from inserted
inner join SalesOrderH on inserted.ReceiptCode = SalesOrderH.ReceiptCode
where not exists(select * from CustProd
where CustProd.CustomerCode = SalesOrderH.CustomerCode 
and CustProd.CustomerType = SalesOrderH.CustomerType
and CustProd.TradingConditionCode = SalesOrderH.TradingConditionCode
and CustProd.ItemNo = inserted.ItemNo))

begin

raiserror('Save error ! , You do not insert Item which is not in Customer Product List .',16,1)
end

--raiserror('DaiWei is stupid ! ,  .',16,1)

/*
select CustomerCode,CustomerType,TradingConditionCode,ItemNo from SalesOrderD
inner join SalesOrderH on SalesOrderD.ReceiptCode = SalesOrderH.ReceiptCode
where not exists(select * from CustProd
where CustProd.CustomerCode = SalesOrderH.CustomerCode 
and CustProd.CustomerType = SalesOrderH.CustomerType
and CustProd.TradingConditionCode = SalesOrderH.TradingConditionCode
and CustProd.ItemNo = SalesOrderD.ItemNo)

select * from custprod where CustomerCode = 'TZ'
*/

GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO